AMS Sectional Meeting Program by Special Session
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1999 AMS Western Section Meeting
Salt Lake City, UT, September 2526, 1999
Meeting #946
Associate secretaries:
Bernard Russo, AMS
brusso@math.uci.edu
Special Session on Commutative Algebra

Saturday September 25, 1999, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra, I
Room 232, Orson Spencer Hall
Organizers:
Paul Roberts, University of Utah roberts@math.utah.edu
Roger Wiegand, University of Nebraska rwiegand@math.unl.edu

8:00 a.m.
The LCM lattice.
Vesselin N. Gasharov*, Cornell University
Irena V. Peeva, Cornell University
Volkmar Welker, Technische Universit\"at Berlin
(9461311)

8:30 a.m.
A new class of ladder determinantal varieties.
N. Gonciulea, University of Michigan
C. Miller*, University of Michigan
(9461355)

9:00 a.m.
Monomialization of Morphisms.
S. Dale Cutkosky*, University of Missouri
(9461471)

9:30 a.m.
The Alexander Duality Functors and Local Duality with Monomial Support.
Ezra N. Miller*, University of California, Berkeley
(9461333)

10:00 a.m.
Toric Hilbert Schemes.
Irena V. Peeva*, Cornell University
Mike Stillman, Cornell University
(9461309)

10:30 a.m.
Lagrangian subbundles and codimension 3 subcanonical subschemes.
David Eisenbud, UC Berkeley
Sorin E Popescu*, Columbia University
Charles Walter, University of Nice
(94614110)

Saturday September 25, 1999, 3:00 p.m.5:20 p.m.
Special Session on Commutative Algebra, II
Room 232, Orson Spencer Hall
Organizers:
Paul Roberts, University of Utah roberts@math.utah.edu
Roger Wiegand, University of Nebraska rwiegand@math.unl.edu

3:00 p.m.
An Alternative Definition of Serre's Intersection Multiplicity.
CY. Jean Chan*, University of Utah
(9461368)

3:30 p.m.
Vanishing of (co)homology over local rings.
David A Jorgensen*, University of Texas at Arlington
(9461341)

4:00 p.m.
Boundedness of local cohomology for graded affine algebras.
Adela N Vraciu*, University of Michigan
(9461336)

4:30 p.m.
Multiplicities and Localization (preliminary report).
Sean M SatherWagstaff*, University of Utah
(9461330)

5:00 p.m.
Absolute, relative, and stable cohomology of modules of finite Gdimension.
Luchezar L Avramov*, Purdue University
Alex Martsinkovsky, Northeastern University
(94616102)

Sunday September 26, 1999, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 232, Orson Spencer Hall
Organizers:
Paul Roberts, University of Utah roberts@math.utah.edu
Roger Wiegand, University of Nebraska rwiegand@math.unl.edu

8:00 a.m.
Free extensions of prime power order.
Daniel Katz*, University of Kansas
(9461392)

8:30 a.m.
Prime ideals in twodimensional domains.
Serpil Saydam, Northeast Louisiana State University
Sylvia M Wiegand*, University of Nebraska
(9461360)

9:00 a.m.
Behavior of tight closure under flat maps with Gorenstein fibers.
Ian M Aberbach*, University of Missouri
(9461335)

9:30 a.m.
Gorenstein Modules.
Graham J Leuschke*, University of NebraskaLincoln
(9461352)

10:00 a.m.
FRational Rings and Flat Base Change.
Florian Enescu*, University of Mathematics
(9461323)

10:30 a.m.
LocalGlobal duality for finitely generated modules over Artin rings.
Ruth I Michler*, University North Texas
(9461315)

Sunday September 26, 1999, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, IV
Room 232, Orson Spencer Hall
Organizers:
Paul Roberts, University of Utah roberts@math.utah.edu
Roger Wiegand, University of Nebraska rwiegand@math.unl.edu

3:00 p.m.
Some Aspects of the Mononical Conjecture.
Sankar P. Dutta*, University of Illinois at UrbanaChampaign
(9461329)

3:30 p.m.
Associated graded rings of numerical semigroup rings.
Victoria A Sapko*, University of NebraskaLincoln
(9461316)

4:00 p.m.
Ext and Hilbert polynomials.
Emanoil Theodorescu*, University of Kansas
(9461393)

4:30 p.m.
Separable integral extensions.
Anurag K Singh*, University of Utah
(9461339)

5:00 p.m.
DirectSum Cancellation of Modules over Quadratic Orders.
Ryan D Karr*, University of NebraskaLincoln
(9461350)

5:30 p.m.
Taylor tower for rational algebraic $K$theory and Hochschild homology.
Miriam Ruth Kantorovitz*, University Of Illinois, UC
Randy McCarthy, University of Illinois
(9461854)
Inquiries: meet@ams.org